US x China tariff agreement by December 31?

Prediction markets put the probability at 88%: US x China tariff agreement by December 31. Currently, markets see this as likely (88% YES). Home » The long tail of Trump’s trade agenda.

What’s Happening

The probability of a US x China tariff agreement by December 31 has risen sharply to 88% in recent weeks, driven by a flurry of diplomatic signals and legal maneuvers. On June 23, 2026, the Supreme Court declined to hear a challenge to the Trump administration’s Section 301 tariffs on China, effectively upholding the use of tariffs tied to forced-labor allegations under Section 307 of the Tariff Act of 1930. This legal clarity has emboldened the White House to pursue a dual-track strategy: maintaining punitive tariffs on specific goods while simultaneously proposing a US-China Board of Trade to negotiate a broader framework. The board, floated by the administration in late June, is seen as a precursor to a formal agreement that could reduce tariff rates on select imports by year-end, though critics note that the forced-labor investigations remain a major sticking point. [National Review, Tue Jun 23] [Food Business News, Mon Jun 22]

The push for a US x China tariff agreement by December 31 is also being shaped by domestic economic pressures. A February 2026 Supreme Court ruling declared the administration’s earlier IEEPA-based tariffs unlawful, ordering refunds of an estimated $40 billion to importers. However, the administration has required individual lawsuits for each importer to access those funds, leaving many small businesses and farmers uncompensated. This has fueled inflation, with retailers passing higher import costs to consumers on everyday goods. The temporary 10% across-the-board tariffs are set to expire at the end of July 2026, creating a deadline for negotiators. Analysts at SGH Macro Advisors note that the expiration could force a compromise, as the administration seeks to replace the blanket tariffs with a more targeted, legally sustainable regime under the proposed board. [Newsweek, Tue Jun 23] [Yahoo Finance, Mon Jun 22]

Despite the high probability, structural hurdles remain for a US x China tariff agreement by December 31. China’s auto sector, for instance, is pivoting to production in the Western Hemisphere to bypass tariffs, a strategy detailed in a June 21 IndustryWeek analysis that warns of shrinking U.S. export sales. Meanwhile, the forced-labor investigations targeting 60 economies—including China—are proceeding under a new legal framework that could impose tariffs of 10% to 12.5% on imports from countries deemed noncompliant. Former U.S. Trade Representative official Darci Vetter has cautioned that the board of trade is a “framework for future negotiations,” not a guarantee of a deal by year-end. The key determinant will be whether the administration can reconcile its hawkish trade enforcement with the economic imperative to stabilize supply chains before the July tariff expiration. [IndustryWeek, Sun Jun 21] [Food Business News, Mon Jun 22]

Traded on Polymarket — $55K Volume

Lower-volume market on Polymarket ($55K). Wider spreads expected — enter with limit orders and be aware of slippage risk. Currently 88c YES.